Mercurial > hg > graal-compiler
view graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/RiUtil.java @ 5507:dc71b06d09f8
Moving classes from cri.ri to api.meta.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 07 Jun 2012 18:24:06 +0200 |
parents | |
children | 816fb2492760 |
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/* * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.api.meta; public class RiUtil { /** * Extends the functionality of {@link Class#getSimpleName()} to include a non-empty string for anonymous and local * classes. * * @param clazz the class for which the simple name is being requested * @param withEnclosingClass specifies if the returned name should be qualified with the name(s) of the enclosing * class/classes of {@code clazz} (if any). This option is ignored if {@code clazz} denotes an anonymous * or local class. * @return the simple name */ public static String getSimpleName(Class< ? > clazz, boolean withEnclosingClass) { final String simpleName = clazz.getSimpleName(); if (simpleName.length() != 0) { if (withEnclosingClass) { String prefix = ""; Class< ? > enclosingClass = clazz; while ((enclosingClass = enclosingClass.getEnclosingClass()) != null) { prefix = prefix + enclosingClass.getSimpleName() + "."; } return prefix + simpleName; } return simpleName; } // Must be an anonymous or local class final String name = clazz.getName(); int index = name.indexOf('$'); if (index == -1) { return name; } index = name.lastIndexOf('.', index); if (index == -1) { return name; } return name.substring(index + 1); } /** * Converts a given type to its Java programming language name. The following are examples of strings returned by * this method: * * <pre> * qualified == true: * java.lang.Object * int * boolean[][] * qualified == false: * Object * int * boolean[][] * </pre> * * @param riType the type to be converted to a Java name * @param qualified specifies if the package prefix of the type should be included in the returned name * @return the Java name corresponding to {@code riType} */ public static String toJavaName(RiType riType, boolean qualified) { RiKind kind = riType.kind(false); if (kind.isPrimitive() || kind == RiKind.Void) { return kind.javaName; } return internalNameToJava(riType.name(), qualified); } /** * Converts a given type to its Java programming language name. The following are examples of strings returned by * this method: * * <pre> * java.lang.Object * int * boolean[][] * </pre> * * @param riType the type to be converted to a Java name * @return the Java name corresponding to {@code riType} */ public static String toJavaName(RiType riType) { return (riType == null) ? null : internalNameToJava(riType.name(), true); } public static String internalNameToJava(String name, boolean qualified) { switch (name.charAt(0)) { case 'L': { String result = name.substring(1, name.length() - 1).replace('/', '.'); if (!qualified) { final int lastDot = result.lastIndexOf('.'); if (lastDot != -1) { result = result.substring(lastDot + 1); } } return result; } case '[': return internalNameToJava(name.substring(1), qualified) + "[]"; default: if (name.length() != 1) { throw new IllegalArgumentException("Illegal internal name: " + name); } return RiKind.fromPrimitiveOrVoidTypeChar(name.charAt(0)).javaName; } } }